The polycyclic development of geosynclinal belts is controlled by the cyclicity of subduction during e geological time.

 
  • 地質(zhì)時(shí)期地槽的多旋回發(fā)展受到俯沖作用旋回的控制。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan